//////////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (c) 2014-2015, Egret Technology Inc.
//  All rights reserved.
//  Redistribution and use in source and binary forms, with or without
//  modification, are permitted provided that the following conditions are met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in the
//       documentation and/or other materials provided with the distribution.
//     * Neither the name of the Egret nor the
//       names of its contributors may be used to endorse or promote products
//       derived from this software without specific prior written permission.
//
//  THIS SOFTWARE IS PROVIDED BY EGRET AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
//  OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
//  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
//  IN NO EVENT SHALL EGRET AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
//  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
//  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;LOSS OF USE, DATA,
//  OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
//  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
//  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
//  EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
//////////////////////////////////////////////////////////////////////////////////////

egret_h5 = {};

egret_h5.prefix = "";

egret_h5.loadScript = function (list, callback) {
    var loaded = 0;
    var loadNext = function () {
        egret_h5.loadSingleScript(egret_h5.prefix + list[loaded], function () {
            loaded++;
            if (loaded >= list.length) {
                callback();
            }
            else {
                loadNext();
            }
        })
    };
    loadNext();
};

egret_h5.loadSingleScript = function (src, callback) {
    var s = document.createElement('script');
    if (s.hasOwnProperty("async")) {
        s.async = false;
    }
    s.src = src;
    s.addEventListener('load', function () {
        s.parentNode.removeChild(s);
        this.removeEventListener('load', arguments.callee, false);
        callback();
    }, false);
    document.body.appendChild(s);
};

egret_h5.preloadScript = function (list, prefix) {
    if (!egret_h5.preloadList) {
        egret_h5.preloadList = [];
    }
    egret_h5.preloadList = egret_h5.preloadList.concat(list.map(function (item) {
        return prefix + item;
    }))
};

egret_h5.startLoading = function () {
    var list = egret_h5.preloadList;
    egret_h5.loadScript(list, egret_h5.startGame);
};